[TR] TR2/3 - gearshift vibration

[Randall]

> There is a service bulletin (which 
> I don't seem to have handy, will try to post tonight) about 
> putting a piece of rubber hose on the shift lever inside the 
> spring.

Found it, finally.
http://goo.gl/Hpn6Rb

>  They also tried adding a brace (later on, TR4A 
> maybe) to the top cover, and even a rubber-mounted 
> counterweight on some models.

According to the TR4 SPC, the brace was all TR4 (although there were two different versions); the counterweight only gearbox CT17815
through CT35719.

Randall